The coin in question is a 1879 Seated Liberty Dime, a notable piece from the United States, designed by the esteemed engraver James Barton Longacre. This dime, with a denomination of 10 cents, embodies the classic aesthetics of the Seated Liberty series, showcasing Liberty in a seated position, clad in a flowing gown, and holding a shield and a liberty cap. Produced as a proof coin, it indicates a meticulous minting process aimed at collectors, exhibiting a striking surface and intricate details. This specific coin has a low mintage of only 1,100 pieces, making it relatively rare in the numismatic market. Crafted from a composition of 90% silver and 10% copper, the 1879 Seated Liberty Dime features a diameter of approximately 17.9 mm and weighs 2.5 grams. The reeded edge enhances its tactile appeal while also serving to discourage counterfeiting during its time. With no mint mark indicating the production facility, this coin reflects a historical significance as part of a series that captured the evolution of American coinage in the late 19th century. As a collectible item, its value is influenced by its condition, rarity, and the continued interest among numismatists. Overall, this 1879 Seated Liberty Dime represents not just a monetary denomination but also a connection to the artistic and historical legacy of the United States coinage.